CN209319661U - A kind of adjustable spanner of torsion - Google Patents
A kind of adjustable spanner of torsion Download PDFInfo
- Publication number
- CN209319661U CN209319661U CN201920032454.5U CN201920032454U CN209319661U CN 209319661 U CN209319661 U CN 209319661U CN 201920032454 U CN201920032454 U CN 201920032454U CN 209319661 U CN209319661 U CN 209319661U
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- CN
- China
- Prior art keywords
- cam bawl
- pipe shaft
- wrench head
- elastic component
- adjusting rod
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Abstract
The utility model relates to torque spanneres, a kind of adjustable spanner of torsion is disclosed, including pipe shaft, the Wrench head for being inserted into pipe shaft, the cam bawl hinged with Wrench head, the slippage mechanism abutted with cam bawl and the torque force regulating mechanism abutted with slippage mechanism；The intermediate position of Wrench head and pipe shaft are hinged, and Wrench head is equipped with crimping wedge angle；Cam bawl is equipped with crimp groove, and cam bawl is hinged with connection sheet with crimping between wedge angle；Slipping mechanism includes thrust guide seat and elastic component, and elastic component is abutted far from one end of thrust guide seat with torque force regulating mechanism；Cam bawl apical grafting is driven to slip structure by crimping wedge angle and crimp groove after Wrench head rotation, change the elastic force of elastic component by torque force adjusting mechanism, change the torsion of spanner, connection sheet is limited in wedge angle is crimped in crimp groove, crimping wedge angle and crimp groove cooperation can be avoided and slip between Wrench head and cam bawl, abrasion extra between the two is reduced, service life is improved.
Description
Technical field
The utility model relates to torque spanneres, more specifically, it relates to a kind of adjustable spanner of torsion.
Background technique
Torque spanner is also known as torque wrench, torque spanner, is one kind of spanner, be mainly characterized by can setting torque with
For fastening bolt.High-strength bolt can be divided into torque-shear type and two kinds of big hexangle type, and the general fastening for high-strength bolt will
It is first first tight tight eventually again, and every step requires stringent torque demand, and the first tight and whole of high-strength bolts tightly must all make
Use constant torque wrench.
Existing major part torque wrench is mostly non-adjustable, it is therefore desirable to then use that torque is different to be pulled when different torques
Hand, replacement spanner can greatly reduce working efficiency.
Utility model content
Problem in view of the prior art, the utility model provide a kind of adjustable spanner of torsion, can with wrenching torque
The advantages of tune and long service life.
To achieve the above object, the utility model provides following technical solution:
A kind of adjustable spanner of torsion, the Wrench head, hinged with the Wrench head including pipe shaft, the insertion pipe shaft
Cam bawl, the slippage mechanism that is abutted with the cam bawl and the torque force regulating mechanism abutted with the slippage mechanism；
The intermediate position of the Wrench head and the pipe shaft are hinged, and the insertion end of the Wrench head is provided with crimping point
Angle；
The position that the cam bawl is abutted with the Wrench head is provided with and the pressure for crimping angular shape cooperation
Groove is connect, the cam bawl is hinged with connection sheet with described crimp between wedge angle；
The slippage mechanism includes the thrust guide seat abutted with the cam bawl, and is connected to the thrust guidance
Seat is far from the elastic component on one end of the cam bawl, the one end of the elastic component far from the thrust guide seat and the torsion
Power adjustment mechanism abuts.
Through the above technical solutions, Wrench head rotated on pipe shaft by reaction force after by crimping wedge angle with crimp it is recessed
Slot drives cam bawl apical grafting to slip structure, changes the elastic force of elastic component by torque force adjusting mechanism, changes the torsion of spanner, even
Contact pin is limited in wedge angle is crimped in crimp groove, and crimping wedge angle and crimp groove cooperation can be avoided Wrench head and roll with cam
It is slipped between son, reduces abrasion extra between the two, improve service life.
Further, it is provided on side wall of the cam bawl far from the Wrench head and the slippage mechanism contacts
Top hold arc-shaped edges, the top holds arc-shaped edges and offers locating slot, and the locating slot abutting has top to catch, and the top is caught and institute
State thrust guide seat abutting.
It is contacted through the above technical solutions, arc-shaped edges are held on top with top holding, the torsion on Wrench head can be made big
Wrench head is rotated up between the region that Wrench head can not rotate after the torsion of elastic component movement, keeps torsion not
Become.
Further, the abutting arc groove with the top holding shape cooperation is offered in the thrust guide seat.
Through the above technical solutions, top holding rotates in abutting arc groove, to define the position of top holding.
Further, the cam bawl is rotatably connected to directive wheel with what the pipe shaft inner wall contacted on one side.
Through the above technical solutions, directive wheel can reduce the friction between cam bawl and pipe shaft inner wall, it is conducive to extend convex
Take turns the service life of roller and spanner.
Further, what the thrust guide seat contacted the cam bawl offers guide slot on one side, the cam rolling
The orientation lever being plugged in the guide slot is fixedly connected on son.
Through the above technical solutions, can be allowed between cam bawl and thrust guide seat after in orientation lever insertion guide slot
Relative position will not change, and be consistent the shift length of the two.
Further, the torque force regulating mechanism includes being socketed in hand of the pipe shaft far from described Wrench head one end
Handle, the handle are fixedly connected with the adjusting rod that one end is protruded into the handle, and the adjusting rod and the handle are rotatablely connected,
Moved after adjusting rod rotation toward and away from the pipe shaft, the adjusting rod close to the elastic component one end with it is described
Elastic component pushes against.
Through the above technical solutions, rotational handle drives adjusting rod to move in pipe shaft, change the elastic force of elastic component, adjusts
The torsion of spanner.
Further, tail-hood screw is removably connected on the adjusting rod, the tail-hood screw is far from the abutting plate
One end be plugged with tail-hood, the tail-hood is crimped on the end of the pipe shaft by the tail-hood screw, and the tail-hood covers institute
State the end of adjusting rod Yu the pipe shaft.
Through the above technical solutions, tail-hood is crimped on adjusting rod by tail-hood screw, by adjusting rod protection in handle.
Further, thrust directing plate is crimped between the adjusting rod and the elastic component.
Through the above technical solutions, that elastic component can be allowed to push against with adjusting rod is more stable for thrust directing plate, will not occur askew
Tiltedly.
Compared with prior art, the utility model has the beneficial effects that Wrench head is rotated on pipe shaft by reaction force
Cam bawl apical grafting is driven to slip structure by crimping wedge angle and crimp groove afterwards；If arc-shaped edges are held on setting top on cam bawl
It is contacted with top holding, makes Wrench head rotation straight after the torsion on Wrench head can be made to be greater than the torsion of elastic component movement
Between the region that can not be rotated to Wrench head, keep torsion constant；If directive wheel is arranged on cam bawl, can reduce convex
The friction between roller and pipe shaft inner wall is taken turns, conducive to the service life for extending cam bawl and spanner；Pass through torque force adjusting mechanism
The elastic force for changing elastic component changes the torsion of spanner, and connection sheet is limited in wedge angle is crimped in crimp groove, crimping wedge angle and pressure
Connecing groove cooperation can be avoided and slip between Wrench head and cam bawl, reduce abrasion extra between the two, extending makes
With the service life and improve torsion restriction precision.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment one；
Fig. 2 is the overall structure diagram of the utility model embodiment two.
Appended drawing reference: 1, pipe shaft；2, Wrench head；3, wedge angle is crimped；4, cam bawl；41, crimp groove；42, top is held
Arc-shaped edges；43, locating slot；5, top holding；6, thrust guide seat；61, arc groove is abutted；7, elastic component；8, handle；9, it adjusts
Bar；91, regulating nut；92, locking nut；10, thrust directing plate；11, tail-hood screw；12, tail-hood；13, directive wheel；14, fixed
To slot；15, orientation lever；16, connection sheet.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment one
A kind of adjustable spanner of torsion, as shown in Figure 1, including the pipe shaft 1 of square tube type, pipe shaft 1 is interior inserted with long plate shape
Wrench head 2, the intermediate position of Wrench head 2 and pipe shaft 1 are rotatablely connected by a shaft, one end protruded tube of Wrench head 2
Body 1, the other end can be rotated in pipe shaft 1 and abut the inner wall of pipe shaft 1.Wrench head 2 is located at one end in pipe shaft 1 for insertion
Crimping wedge angle 3 is held and has been wholely set, the crimping abutting of wedge angle 3 has cam bawl 4, offers on cam bawl 4 and crimp wedge angle 3
The crimp groove 41 that shape cooperates and is mutually inserted.It is realized hingedly between cam bawl 4 and insertion end by connection sheet 16, connection
Piece 16 avoids crimping wedge angle 3 from completely disengaging crimp groove 41.
Cam bawl 4 is abutted far from the side of Wrench head 2 slippage mechanism.Side of the cam bawl 4 far from Wrench head 2
It is provided on wall and holds arc-shaped edges 42 with the top for slipping mechanism contacts, crimping wedge angle 3 holds the center of circle of arc-shaped edges 42 not towards top.It holds on top
The locating slot 43 that opening direction slips structure is offered on arc-shaped edges 42, abutting on locating slot 43 has top holding 5, pushes up holding 5
Volume is greater than the volume of locating slot 43.One end of 5 separate cam bawls 4 of top holding abuts the thrust guide seat 6 for having plate, pushes away
The abutting arc groove 61 with top holding 5 shapes cooperation is offered in power guide seat 6.Slip mechanism include thrust guide seat 6 and
The elastic component 7 being connected on the one end of thrust guide seat 6 far from cam bawl 4, elastic component 7 are spring, and elastic component 7 is far from thrust
One end of guide seat 6, which abuts, torque force regulating mechanism.
Torque force regulating mechanism includes being socketed in handle 8 of the pipe shaft 1 far from 2 one end of Wrench head, and axial line is inserted altogether in handle 8
It is connected to hollow and tool internal thread adjusting rod 9.One end of adjusting rod 9 is protruded into pipe shaft 1, and axial line is fixed altogether in pipe shaft 1 connects
It is connected to regulating nut 91, adjusting rod 9 is threaded in regulating nut 91.9 grafting handle of adjusting rod, 8 threaded one end is connected with lock
Handle 8 is pressed on adjusting rod 9 by tight nut 92, locking nut 92.Adjusting rod 9 moves after rotating toward and away from pipe shaft 1,
Adjusting rod 9 is connected with regulation cock close to one end internal screw thread of elastic component 7, and regulation cock abutting has adjusting ball, adjusts ball far from adjusting
The side of bolt, which abuts, circular thrust directing plate 10, and thrust directing plate 10 is directly contacted with elastic component 7, realize adjusting rod 9 and
The abutting of elastic component 7.The position setting that thrust directing plate 10 is contacted with adjusting ball is fluted, and the volume of groove, which is less than, adjusts ball
Volume.
Adjusting rod 9 is connected with tail-hood screw 11 far from the threaded one end of Wrench head 2, and tail-hood screw 11 is the spiral shell with screw head
Bolt, tail-hood screw 11 are plugged with tail-hood 12 far from the one end for abutting plate, and tail-hood 12 is circular and is crimped on by tail-hood screw 11
The end of pipe shaft 1, to cover the end of adjusting rod 9 Yu pipe shaft 1.
When spanner adjustable using torsion, Wrench head 2 is rotated on pipe shaft 1 by reaction force, after rotation by with
The hinge joint of pipe shaft 1 drives crimping wedge angle 3 to do arcuate movement, crimps the inner wall of 3 apical grafting crimp groove 41 of wedge angle and passes through connection
Piece 16 sockets cam bawl 4, and cam bawl 4 is allowed to move in a circle, and pushes up holding 5 and limited inside pipe shaft 1 by 1 inner wall of pipe shaft,
Cam bawl 4 makes top holding 5 climb out of locating slot 43 after rotating, and moves to the direction far from Wrench head 2, is guided by thrust
6 compression elastic pieces 7 of seat.Wrench head 2 hits the sending sound prompt of 1 inner wall of pipe shaft and has reached torque value.By crimping wedge angle 3 with
Crimp groove 41 drives 4 apical grafting of cam bawl to slip structure, changes the elastic force of elastic component 7 by torque force adjusting mechanism, and change is pulled
The torsion of hand, connection sheet 16 are limited in wedge angle 3 is crimped in crimp groove 41, and crimping wedge angle 3 and the cooperation of crimp groove 41 can
It avoids slipping between Wrench head 2 and cam bawl 4, reduces abrasion extra between the two, improve service life.And it rotates
Fixed handle 8 can change length of the elastic component 7 in pipe shaft 1 with adjusting rod 9, so that the torsion that spanner has is had adjusted,
Realize the adjustable of torsion.
Embodiment two
A kind of adjustable spanner of torsion, as shown in Fig. 2, being with the difference of embodiment one, cam bawl 4 is in rough side
Shape block, and slided along its length in pipe shaft 1, cam bawl 4 is rotatably connected to guiding with what 1 inner wall of pipe shaft contacted on one side
Wheel 13, directive wheel 13 are crimped on 1 inner wall of pipe shaft the frictional force reduced between cam bawl 4 and pipe shaft 1.Thrust guide seat 6 connects
Touching cam bawl 4 offers guide slot 14 on one side, and cam bawl 4 is wholely set the orientation lever being plugged in guide slot 14
15。
When spanner adjustable using torsion, directive wheel 13 can reduce the friction between 1 inner wall of cam bawl 4 and pipe shaft, benefit
In the service life for extending cam bawl 4 and spanner.Orientation lever 15 can allow cam bawl 4 and thrust after being inserted into guide slot 14
Relative position between guide seat 6 will not change, and be consistent the shift length of the two, ensure that the maximal efficiency of torsion
Transmit efficiency.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of adjustable spanner of torsion, Wrench head (2) and the spanner including pipe shaft (1), the insertion pipe shaft (1)
It the hinged cam bawl (4) in head (2), the slippage mechanism abutted with the cam bawl (4) and is supported with the slippage mechanism
The torque force regulating mechanism connect；
It is characterized in that, the intermediate position of the Wrench head (2) and the pipe shaft (1) are hingedly, the Wrench head (2) is inserted
Enter end and is provided with crimping wedge angle (3)；
The position that the cam bawl (4) abuts with the Wrench head (2), which is provided with, crimps the cooperation of wedge angle (3) shape with described
Crimp groove (41), the cam bawl (4) is hinged with connection sheet (16) with described crimp between wedge angle (3)；
The slippage mechanism includes the thrust guide seat (6) abutted with the cam bawl (4), and is connected to the thrust and draws
Guide bracket (6) is far from the elastic component (7) on the one end of the cam bawl (4), and the elastic component (7) is far from the thrust guide seat
(6) one end is abutted with the torque force regulating mechanism.
2. the adjustable spanner of torsion according to claim 1, which is characterized in that the cam bawl (4) is pulled far from described
It is provided on the side wall of portion (2) and is held arc-shaped edges (42) with the top for slipping mechanism contacts at hand, arc-shaped edges (42) are held on the top
It offers locating slot (43), the locating slot (43), which abuts, top holding (5), the top holding (5) and the thrust guide seat
(6) it abuts.
3. the adjustable spanner of torsion according to claim 2, which is characterized in that offered on the thrust guide seat (6)
With the abutting arc groove (61) of top holding (5) the shape cooperation.
4. the adjustable spanner of torsion according to claim 1, which is characterized in that the cam bawl (4) and the pipe shaft
(1) what inner wall contacted is rotatably connected to directive wheel (13) on one side.
5. the adjustable spanner of torsion according to claim 4, which is characterized in that described in thrust guide seat (6) contact
Cam bawl (4) offers guide slot (14) on one side, is fixedly connected on the cam bawl (4) and is plugged on the guide slot
(14) orientation lever (15) in.
6. the adjustable spanner of torsion according to claim 1, which is characterized in that the torque force regulating mechanism includes being socketed in
Handle (8) of the pipe shaft (1) far from the Wrench head (2) one end, the handle (8) be fixedly connected with one end protrude into it is described
Adjusting rod (9) in handle (8), the adjusting rod (9) and the handle (8) are rotatablely connected, court after adjusting rod (9) rotation
To or far from the pipe shaft (1) move, the adjusting rod (9) close to the elastic component (7) one end and the elastic component (7)
It pushes against.
7. the adjustable spanner of torsion according to claim 6, which is characterized in that be detachably connected on the adjusting rod (9)
Have tail-hood screw (11), the tail-hood screw (11) is plugged with tail-hood (12) far from described one end for abutting plate, the tail-hood spiral shell
The tail-hood (12) is crimped on the end of the pipe shaft (1) by silk (11), the tail-hood (12) cover the adjusting rod (9) with
The end of the pipe shaft (1).
8. the adjustable spanner of torsion according to claim 1, which is characterized in that the adjusting rod (9) and the elastic component
(7) thrust directing plate (10) are crimped between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032454.5U CN209319661U (en) | 2019-01-08 | 2019-01-08 | A kind of adjustable spanner of torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032454.5U CN209319661U (en) | 2019-01-08 | 2019-01-08 | A kind of adjustable spanner of torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209319661U true CN209319661U (en) | 2019-08-30 |
Family
ID=67730915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920032454.5U Active CN209319661U (en) | 2019-01-08 | 2019-01-08 | A kind of adjustable spanner of torsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209319661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774206A (en) * | 2019-09-30 | 2020-02-11 | 上海欧唯斯工具制造有限公司 | Ratchet wrench |
| TWI739200B (en) * | 2019-11-07 | 2021-09-11 | 和嘉興精密股份有限公司 | Torsion structure |
-
2019
- 2019-01-08 CN CN201920032454.5U patent/CN209319661U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774206A (en) * | 2019-09-30 | 2020-02-11 | 上海欧唯斯工具制造有限公司 | Ratchet wrench |
| CN110774206B (en) * | 2019-09-30 | 2021-02-19 | 上海欧唯斯工具制造有限公司 | Ratchet wrench |
| TWI739200B (en) * | 2019-11-07 | 2021-09-11 | 和嘉興精密股份有限公司 | Torsion structure |
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| GR01 | Patent grant |